以煤焦油沥青与吡啶硼烷为原料,在400 ℃,1 MPa压力下,反应10 h制备出了硼取代聚芳烃中间相.考察了硼含量对中间相性质及微观结构的影响.发现在同一热缩聚条件下随着硼添加量的增加,中间相沥青的收率下降,但中间相小球的收率却相应提高,球径逐渐减小.实验结果表明,硼促进了中间相的形成,并且起着交联剂的作用.
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